China wholesaler 10m3/Min 353 Cfm Screw Diesel Driven Portable Air Compressor for Mining 12v air compressor

Product Description

Product Description

10m3/min 353 Cfm 12 Bar Screw Diesel Driven Portable Air Compressor for Mining

Rocky diesel relocation machine can meet the requirements of overload use, and can withstand the worst on-site environment. At the same time, it can also reduce fuel consumption, thereby greatly reducing operating costs. With wheel design, it is easy to move and maintain, and is widely used in drilling, mining, road repair, engineering rescue and other industries.

Model RKY-10/12
Volume flow (m³/min) 10
Working pressure(Barg) 12
Fuel tank volume(L) 160
Maximum ambient temperature(ºC) 50
Compression stage 1
Engine brand CUMMINS
Engine model QSB3.9-C130
Engine power(KW) 97
Maximum engine speed(Rpm) 2500
Minimum engine speed(Rpm) 1500
Wheels Qty 2
Noise level(dB) 80±3
Overall weight (kg) 1840
Dimensions(L*W*H)mm 3800*1900*1900
Air outlet (inch) G1-1/2, 2*G1-1/4

Product features   

Maximum versatility
RKY/RKYII is ideal choice for powering equipment such as construction machinery. Meticulous construction and premium quality components ensure trouble-free operation in ambient temperatures ranging from -20°C to +45°C. Versatility is further enhanced by the chassis, which can be equipped with a fixed or height adjustable tow bar and with or without an overrun brake. Stationary versions can be installed either on skids or machine mounts.

Lightweight
Powerful doesn’t necessarily mean heavy: the RKY/RKYII is exceptionally easy to manoeuvre and transport. Moreover, its larger diesel fuel capacity ensures that the compressor has more than enough power available to last an entire work shift.

Separate air filters for engine and compressor
The air filters are specifically tailored to suit required air demand and therefore ensure dependable system operation. Afurther important design detail is the electric fuel pump, which enables quick and simple deaeration of the diesel lines, thereby eliminating the need for labour-intensive manual pumping.

Optional diesel engine
Flexible diesel engine to meet the different operating environment and conditions of operation, general maintenance, regard less of the location of the compressor, customers can find a suitable supplier of parts.

Simple to operate
Operation is made simple via user-friendly icons and a single start switch with pre-heat function. The unit also features fully automatic monitoring and shutdown in case of malfunction, whilst a pressure gauge and airend temperature display enable all information to be viewed at a glance.

Silent Environment
Silent case design, even in the noisy city can maintain a good noise level, to avoid noise caused by environmental pollution.

High temperature design
The equipment can operate well at ambient temperatures up to 50°C.     
                                                                                                                                                                                                                                                                                                                                                                                                                                        
Technical Parameters

Rocky Portable Diesel Driven Screw Air Compressors (Single-stage)            
Model RKY-3.5/7 RKY-5/7 RKY-6/7 RKY-10/10 RKY-10/12 RKY-12/7 RKY-12.5/14 RKY-14/14 RKY-15/15 RKY-16/17 RKY-18/17 RKY-21/10 RKY-23/14
Volume flow (m³/min) 3.5 5 6.05 10 10 12 12.5 14 15 16 18 21 23
Working pressure(Barg) 7 7 7 10 12 7 14 14 15 17 17 10 14
Fuel tank volume(L) 45 70 100 140 160 160 160 160 280 280 280 360 360
Maximum ambient temperature(ºC) 50 50 50 50 50 50 50 50 50 50 50 50 50
Compression stage 1 1 1 1 1 1 1 1 1 1 1 1 1
Engine brand YANGMA WEICHAI WEICHAI CUMMINS CUMMINS CUMMINS CUMMINS CUMMINS CUMMINS CUMMINS CUMMINS CUMMINS CUMMINS
Engine model 3TNV88 WP3.2G
50E347
WP3.2G61
E317
QSB3.9-
C130
QSB3.9-
C130
QSB3.9-C125 QSB5.9-C180 QSB5.9-C210 QSB6.7-C240 QSB6.7-C240 QSC8.3-C260 QSB6.7-C240 QSL8.9-C325
Engine power
(KW)
26.8 36.8 45 97 97 93 132 154 178 194 194 178 242
Maximum engine speed
(Rpm)
3000 2500 2500 2200 2500 2300 2000 2200 2000 2200 2400 2000 2100
Minimum engine speed
(Rpm)
1800 1750 1750 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500
Wheels Qty 2 2 2 2 2 2 2 2 4 4 4 4 4
Noise level
(dB)
75±3 75±3 75±3 80±3 80±3 80±3 85±3 85±3 85±3 85±3 88±3 88±3 88±3
Overall weight
(kg)
880 1200 1550 1820 1840 1860 2571 2220 2750 2780 2910 2840 3571
Dimensions
mm
2853*1272*1092 3230*1440*1425 3300*1570*1560 3800*1900*1900 3800*1900*1900 3800*1900*1900 4350*1960*1950 4350*1960*1950 3980*1860*2450 3980*1860*2450 3980*1860*2450 4580*1950*2500 4580*1950*2500
Air outlet
(inch)
2*G3/4 G1,G3/4 G1-1/4,*G1 G1-1/2, 2*G1-1/4 G1-1/2, 2*G1-1/4 G1-1/2, 3*G1-1/4

 

Application industry

 

Successful cases

Packaging & Shipping

Packaging & Shipping

1.Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package (for stationary screw air compressor)
2.Shipping method: by sea, by LCL/FCL or as requested
3.Delivery method: FOB, CFR, CIF and EXW etc.

Company Profile

ZheJiang CHINAMFG Machinery Co., Ltd. is a company dedicated to the production and research and development of various gas compression equipment. The company was established in 2012 and has a total of 5 licensed technical engineers. Mainly engaged in air, nitrogen, CO2 and other special gas compression equipment and after-treat equipment. With the development in recent years, the company has established a foreign trade team in ZheJiang , and hired foreign trade consultants with 10 years of industry experience to better serve customers worldwide. With excellent quality and the support of 30 distributors worldwide, our annual sales in 2018 exceeded 5 million US dollars. We look CHINAMFG to working with you to create a better tomorrow!

 

Payment and delivery

 

After Sales Service

1. 24/7 after sales service support in different languages.
2. Customized color, Model ect.
3. Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center.
4. Delivery on time and excellent after-sales service.
5. Plenty of original spare parts with proven quality.
6. All kinds of technical documents in different languages.

FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou,ZheJiang ,China. More than 18 years of experience in air compressor manufacturing.

Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.

Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.

Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
     2. Well-trained engineers available to overseas service.
     3.CHINAMFG agents and after service avaiable.arrange our engineers to help you training and installation.

Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.

Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.

Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.

Q8. How do you control quality ?
A: 1. The raw materials are strictly inspected
     2. Some key parts are imported from overseas
     3. Each compressor must pass at least 5 hours of continuous testing before leaving the factory.

Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.

Shipping Cost:

Estimated freight per unit.



To be negotiated
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Samples:
US$ 15500/SET
1 SET(Min.Order)

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Order Sample

Customization:
Available

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air compressor

Are There Oil-Free Screw Compressors Available?

Yes, oil-free screw compressors are available in the market to cater to applications where oil contamination is a concern. Here’s a detailed explanation:

Oil-free screw compressors, as the name suggests, are designed to operate without the use of lubricating oil in the compression chamber. These compressors offer several advantages in industries where oil-free compressed air or gas is required, such as in food and beverage, pharmaceutical, electronics, and certain manufacturing processes.

The key features and considerations of oil-free screw compressors include:

  • 1. Specialized Design: Oil-free screw compressors are designed with specialized materials, coatings, and sealing systems to eliminate the need for lubricating oil in the compression process. The rotors and other internal components are constructed to ensure minimal friction and wear, even in the absence of oil.
  • 2. Dry Compression: Unlike lubricated screw compressors, oil-free screw compressors rely on dry compression methods. The compression chamber is designed to achieve compression without the presence of oil, ensuring that the discharged air or gas is free from oil contaminants. This is particularly critical in industries where oil contamination can have detrimental effects on product quality or equipment performance.
  • 3. Sealing Technology: Oil-free screw compressors employ advanced sealing technologies to prevent air or gas leakage between the high-pressure and low-pressure sides of the compressor. These sealing systems ensure efficient compression while maintaining the required clearances between the rotors and the compressor housing.
  • 4. Cooling Systems: Oil-free screw compressors utilize alternative cooling methods, such as air or water cooling, to dissipate the heat generated during compression. Efficient cooling is crucial to prevent overheating and ensure reliable operation.
  • 5. Filtration Systems: Oil-free compressors often incorporate high-quality filtration systems to remove particulates, moisture, and other contaminants from the incoming air or gas. These filtration systems help maintain the integrity of the compressor and ensure the delivery of clean, oil-free compressed air or gas.
  • 6. Application-Specific Solutions: Oil-free screw compressors are available in various sizes and configurations to meet specific application requirements. They can be tailored to deliver the desired air or gas flow rates, pressures, and purity levels.

It’s important to note that oil-free screw compressors generally have higher initial costs compared to lubricated compressors due to their specialized design and materials. However, they offer benefits such as reduced maintenance, minimized risk of oil contamination, and compliance with stringent industry standards or regulations.

When considering an oil-free screw compressor, it’s crucial to assess the specific application needs, air quality requirements, and operating conditions. Consulting with manufacturers or suppliers can help in selecting the most suitable oil-free screw compressor for a particular industry or process.

In summary, oil-free screw compressors are available and offer a reliable and efficient solution for applications where oil-free compressed air or gas is essential. These compressors are designed with specialized features to ensure dry compression, reliable sealing, effective cooling, and high-quality filtration.

air compressor

What Is the Impact of Ambient Temperature on Screw Compressor Performance?

Ambient temperature has a significant impact on the performance of screw compressors. Here’s a detailed explanation:

Screw compressors, like other types of compressors, rely on the surrounding environment to dissipate heat and maintain optimal operating conditions. The ambient temperature directly affects the compressor’s efficiency, capacity, power consumption, and overall performance.

Here are the key ways in which ambient temperature influences screw compressor performance:

1. Cooling Efficiency:

The cooling efficiency of a screw compressor is affected by the temperature difference between the compressed gas and the ambient air. As the ambient temperature increases, the temperature difference decreases, making it more challenging to transfer heat effectively. This can lead to higher discharge temperatures and reduced cooling efficiency, potentially impacting the compressor’s overall capacity and performance.

2. Capacity and Power Consumption:

Higher ambient temperatures can decrease the capacity of a screw compressor. Compressors are typically designed and rated based on specific operating conditions, including a defined ambient temperature range. When the ambient temperature exceeds the design limits, the compressor may experience reduced volumetric efficiency, resulting in a decrease in its overall capacity. Additionally, the compressor may require more power to maintain the desired pressure levels, leading to increased power consumption.

3. Heat Recovery:

In some applications, screw compressors are equipped with heat recovery systems to utilize the waste heat generated during compression. The effectiveness of heat recovery is influenced by the ambient temperature. Higher ambient temperatures can reduce the temperature differential available for heat exchange, limiting the potential for heat recovery and decreasing the overall system efficiency.

4. Lubrication and Cooling:

Screw compressors rely on lubrication systems to reduce friction and prevent wear between moving parts. The ambient temperature affects the performance of the lubricant. In high ambient temperatures, the lubricant may experience decreased viscosity, potentially leading to inadequate lubrication and increased wear on compressor components. Similarly, the cooling system of the compressor, including fans and heat exchangers, may be less effective in higher ambient temperatures, impacting the compressor’s ability to dissipate heat.

5. Operating Envelope:

Screw compressors have specified operating envelopes, which define the acceptable range of operating conditions, including ambient temperature. Operating the compressor outside its designed ambient temperature range can result in reduced reliability, increased maintenance requirements, and potential system failures. It is crucial to adhere to the manufacturer’s guidelines and ensure that the compressor operates within the recommended ambient temperature limits.

6. Control and Protection:

Modern screw compressors often feature advanced control and protection systems that monitor various parameters, including ambient temperature. These systems may adjust compressor operation, such as modulation of capacity or cooling strategies, to optimize performance and protect the compressor from operating outside safe limits. Understanding the impact of ambient temperature allows for appropriate adjustments and settings to maintain reliable and efficient compressor operation.

It’s important to note that different compressor models and manufacturers may have specific performance characteristics and operating limits. Therefore, consulting the manufacturer’s documentation and guidelines for the particular screw compressor in use is essential.

In summary, ambient temperature significantly affects the performance of screw compressors. Higher ambient temperatures can reduce cooling efficiency, decrease compressor capacity, increase power consumption, and impact lubrication and cooling systems. Adhering to recommended operating conditions and considering ambient temperature limitations are crucial for ensuring optimal performance, reliability, and longevity of screw compressors.

air compressor

What Are the Key Components of a Screw Compressor?

A screw compressor consists of several key components that work together to compress air or gas. Here’s a detailed explanation of these components:

1. Male and Female Rotors:

The male and female rotors are the primary components of a screw compressor. These helical rotors have specially designed profiles that interlock with each other. The male rotor typically has fewer lobes or threads compared to the female rotor. As the rotors rotate, the interlocking lobes create compression chambers that gradually reduce in volume, compressing the air or gas.

2. Compression Chamber:

The compression chamber is formed by the interlocking lobes of the rotors. It is the space where the air or gas is compressed as the rotors rotate. The volume of the compression chamber decreases as the lobes move towards the discharge end, resulting in the compression of the trapped air or gas.

3. Inlet and Outlet Ports:

The inlet port is the entry point through which the air or gas enters the screw compressor. It is typically located at the suction side of the compressor. The inlet port allows the air or gas to flow into the compression chamber during the suction process. The outlet port is the exit point through which the compressed air or gas is discharged from the compressor.

4. Drive System:

The drive system of a screw compressor consists of a motor and a drive mechanism. The motor provides the rotational power required to drive the rotors. Common types of drive mechanisms include direct drive, belt drive, and gear drive. The drive system ensures that the rotors rotate in opposite directions at the desired speed and synchronization.

5. Oil System (in oil-injected compressors):

In oil-injected screw compressors, an oil system is present to provide lubrication, cooling, and sealing between the rotors. The oil system typically includes an oil reservoir, an oil pump, oil filters, and oil coolers. The lubricating oil is injected into the compression chamber, where it forms a thin film on the rotors, reducing friction and minimizing wear.

6. Cooling System:

Screw compressors often incorporate a cooling system to maintain optimal operating temperatures. The cooling system may include air or water-cooled heat exchangers, which dissipate the heat generated during compression. Cooling ensures that the compressor operates within safe temperature limits, preventing overheating and prolonging the lifespan of the components.

7. Control System:

A control system is an essential component of a screw compressor, providing monitoring and regulation of various parameters. It may include sensors, controllers, and safety devices to measure and control variables such as pressure, temperature, and operating conditions. The control system ensures efficient and safe operation of the screw compressor.

8. Sound Attenuation and Vibration Isolation:

To reduce noise and vibration, screw compressors are often equipped with sound attenuation measures and vibration isolation systems. These components help in minimizing the noise and vibrations generated during operation, making the compressor suitable for noise-sensitive environments.

In summary, the key components of a screw compressor include the male and female rotors, compression chamber, inlet and outlet ports, drive system, oil system (in oil-injected compressors), cooling system, control system, and sound attenuation/vibration isolation components. These components work together to enable the efficient compression of air or gas in the screw compressor.

China wholesaler 10m3/Min 353 Cfm Screw Diesel Driven Portable Air Compressor for Mining   12v air compressorChina wholesaler 10m3/Min 353 Cfm Screw Diesel Driven Portable Air Compressor for Mining   12v air compressor
editor by CX 2023-10-08

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